SuSEfirewall2: enable DHCPv6 reply handling

This update fixes the following issues with SuSEfirewall2:
- bnc#783002:
+ allows DHCPv6 replies to arrive at the machine, even with
the firewall enabled.
+ This avoids curious effects in networks where IPv6 numbers are distributed
via DHCPv6.

Fixed bugs
bnc#783002
Standard firewall blocks IPv6 UDP ports 546 and 5353
Selected Binaries
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